OpenAI

GPT-5.5 Pro

openai/gpt-5.5-pro

visionchatlong-context

Input price

19175.2 RODI/M

~ 30 USD/M

Output price

115051.0 RODI/M

~ 180 USD/M

Context

1.1M

Max output

128K

Input:textimagedocument
Output:text

Providers & pricing

ProviderInputOutputFree tier
OpenAI

OpenAI

Default

19175.2 RODI/M~30.00 USD/M115051.0 RODI/M

Pricing

RateRODIUSD (ref.)Unit
In19175.2~ 30.00USD/M · RODI/M
Out115051.0~ 180.00USD/M · RODI/M

RODI prices include RodiumAi markup and upstream fees. USD figures are wholesale reference rates.

Capabilities

Streaming
Tool calling
Vision
JSON mode
Reasoning

About this model

Maximum capability variant of GPT-5.5 for research-grade and highest-stakes tasks. No cached-input discount available. Data residency endpoints incur a 10% price uplift.

API usage

Use the canonical model slug in your chat completion requests.

Chat completions docs →